30322221442 has 32 divisors (see below), whose sum is σ = 47917578240. Its totient is φ = 14362890960.

The previous prime is 30322221431. The next prime is 30322221451. The reversal of 30322221442 is 24412222303.

It is a super-2 number, since 2×30322221442² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2750313 + ... + 2761315.

It is an arithmetic number, because the mean of its divisors is an integer number (1497424320).

Almost surely, 2^30322221442 is an apocalyptic number.

30322221442 is a deficient number, since it is larger than the sum of its proper divisors (17595356798).

30322221442 is a wasteful number, since it uses less digits than its factorization.

30322221442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11598.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 30322221442 its reverse (24412222303), we get a palindrome (54734443745).

The spelling of 30322221442 in words is "thirty billion, three hundred twenty-two million, two hundred twenty-one thousand, four hundred forty-two".